Dataset statistics
| Number of variables | 15 |
|---|---|
| Number of observations | 373 |
| Missing cells | 21 |
| Missing cells (%) | 0.4% |
| Duplicate rows | 0 |
| Duplicate rows (%) | 0.0% |
| Total size in memory | 43.8 KiB |
| Average record size in memory | 120.4 B |
Variable types
| Text | 2 |
|---|---|
| Categorical | 6 |
| Numeric | 7 |
Hand has constant value "" | Constant |
MR Delay is highly overall correlated with Visit | High correlation |
EDUC is highly overall correlated with SES | High correlation |
eTIV is highly overall correlated with ASF and 1 other fields | High correlation |
ASF is highly overall correlated with eTIV and 1 other fields | High correlation |
Group is highly overall correlated with CDR | High correlation |
Visit is highly overall correlated with MR Delay | High correlation |
M/F is highly overall correlated with eTIV and 1 other fields | High correlation |
SES is highly overall correlated with EDUC | High correlation |
CDR is highly overall correlated with Group | High correlation |
SES has 19 (5.1%) missing values | Missing |
MRI ID has unique values | Unique |
MR Delay has 150 (40.2%) zeros | Zeros |
Reproduction
| Analysis started | 2023-10-10 10:16:18.629162 |
|---|---|
| Analysis finished | 2023-10-10 10:16:26.794261 |
| Duration | 8.17 seconds |
| Software version | ydata-profiling vv4.5.1 |
| Download configuration | config.json |
Subject ID
Text
| Distinct | 150 |
|---|---|
| Distinct (%) | 40.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 3.0 KiB |
Length
| Max length | 9 |
|---|---|
| Median length | 9 |
| Mean length | 9 |
| Min length | 9 |
Characters and Unicode
| Total characters | 3357 |
|---|---|
| Distinct characters | 14 |
| Distinct categories | 3 ? |
| Distinct scripts | 2 ? |
| Distinct blocks | 1 ? |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | OAS2_0001 |
|---|---|
| 2nd row | OAS2_0001 |
| 3rd row | OAS2_0002 |
| 4th row | OAS2_0002 |
| 5th row | OAS2_0002 |
| Value | Count | Frequency (%) |
| oas2_0070 | 5 | 1.3% |
| oas2_0127 | 5 | 1.3% |
| oas2_0073 | 5 | 1.3% |
| oas2_0048 | 5 | 1.3% |
| oas2_0147 | 4 | 1.1% |
| oas2_0067 | 4 | 1.1% |
| oas2_0036 | 4 | 1.1% |
| oas2_0037 | 4 | 1.1% |
| oas2_0017 | 4 | 1.1% |
| oas2_0183 | 4 | 1.1% |
| Other values (140) | 329 |
Most occurring characters
| Value | Count | Frequency (%) |
| 0 | 658 | |
| 2 | 450 | |
| O | 373 | |
| A | 373 | |
| S | 373 | |
| _ | 373 | |
| 1 | 244 | 7.3% |
| 7 | 95 | 2.8% |
| 4 | 86 | 2.6% |
| 6 | 74 | 2.2% |
| Other values (4) | 258 | 7.7% |
Most occurring categories
| Value | Count | Frequency (%) |
| Decimal Number | 1865 | |
| Uppercase Letter | 1119 | |
| Connector Punctuation | 373 | 11.1% |
Most frequent character per category
Decimal Number
| Value | Count | Frequency (%) |
| 0 | 658 | |
| 2 | 450 | |
| 1 | 244 | 13.1% |
| 7 | 95 | 5.1% |
| 4 | 86 | 4.6% |
| 6 | 74 | 4.0% |
| 8 | 69 | 3.7% |
| 3 | 67 | 3.6% |
| 5 | 66 | 3.5% |
| 9 | 56 | 3.0% |
Uppercase Letter
| Value | Count | Frequency (%) |
| O | 373 | |
| A | 373 | |
| S | 373 |
Connector Punctuation
| Value | Count | Frequency (%) |
| _ | 373 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Common | 2238 | |
| Latin | 1119 |
Most frequent character per script
Common
| Value | Count | Frequency (%) |
| 0 | 658 | |
| 2 | 450 | |
| _ | 373 | |
| 1 | 244 | 10.9% |
| 7 | 95 | 4.2% |
| 4 | 86 | 3.8% |
| 6 | 74 | 3.3% |
| 8 | 69 | 3.1% |
| 3 | 67 | 3.0% |
| 5 | 66 | 2.9% |
Latin
| Value | Count | Frequency (%) |
| O | 373 | |
| A | 373 | |
| S | 373 |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 3357 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| 0 | 658 | |
| 2 | 450 | |
| O | 373 | |
| A | 373 | |
| S | 373 | |
| _ | 373 | |
| 1 | 244 | 7.3% |
| 7 | 95 | 2.8% |
| 4 | 86 | 2.6% |
| 6 | 74 | 2.2% |
| Other values (4) | 258 | 7.7% |
MRI ID
Text
UNIQUE 
| Distinct | 373 |
|---|---|
| Distinct (%) | 100.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 3.0 KiB |
Length
| Max length | 13 |
|---|---|
| Median length | 13 |
| Mean length | 13 |
| Min length | 13 |
Characters and Unicode
| Total characters | 4849 |
|---|---|
| Distinct characters | 16 |
| Distinct categories | 3 ? |
| Distinct scripts | 2 ? |
| Distinct blocks | 1 ? |
Unique
| Unique | 373 ? |
|---|---|
| Unique (%) | 100.0% |
Sample
| 1st row | OAS2_0001_MR1 |
|---|---|
| 2nd row | OAS2_0001_MR2 |
| 3rd row | OAS2_0002_MR1 |
| 4th row | OAS2_0002_MR2 |
| 5th row | OAS2_0002_MR3 |
| Value | Count | Frequency (%) |
| oas2_0001_mr1 | 1 | 0.3% |
| oas2_0026_mr1 | 1 | 0.3% |
| oas2_0002_mr1 | 1 | 0.3% |
| oas2_0002_mr2 | 1 | 0.3% |
| oas2_0002_mr3 | 1 | 0.3% |
| oas2_0004_mr1 | 1 | 0.3% |
| oas2_0004_mr2 | 1 | 0.3% |
| oas2_0005_mr1 | 1 | 0.3% |
| oas2_0005_mr2 | 1 | 0.3% |
| oas2_0005_mr3 | 1 | 0.3% |
| Other values (363) | 363 |
Most occurring characters
| Value | Count | Frequency (%) |
| _ | 746 | |
| 0 | 658 | |
| 2 | 594 | |
| 1 | 394 | |
| O | 373 | |
| A | 373 | |
| S | 373 | |
| M | 373 | |
| R | 373 | |
| 3 | 125 | 2.6% |
| Other values (6) | 467 |
Most occurring categories
| Value | Count | Frequency (%) |
| Decimal Number | 2238 | |
| Uppercase Letter | 1865 | |
| Connector Punctuation | 746 | 15.4% |
Most frequent character per category
Decimal Number
| Value | Count | Frequency (%) |
| 0 | 658 | |
| 2 | 594 | |
| 1 | 394 | |
| 3 | 125 | 5.6% |
| 4 | 101 | 4.5% |
| 7 | 95 | 4.2% |
| 6 | 74 | 3.3% |
| 5 | 72 | 3.2% |
| 8 | 69 | 3.1% |
| 9 | 56 | 2.5% |
Uppercase Letter
| Value | Count | Frequency (%) |
| O | 373 | |
| A | 373 | |
| S | 373 | |
| M | 373 | |
| R | 373 |
Connector Punctuation
| Value | Count | Frequency (%) |
| _ | 746 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Common | 2984 | |
| Latin | 1865 |
Most frequent character per script
Common
| Value | Count | Frequency (%) |
| _ | 746 | |
| 0 | 658 | |
| 2 | 594 | |
| 1 | 394 | |
| 3 | 125 | 4.2% |
| 4 | 101 | 3.4% |
| 7 | 95 | 3.2% |
| 6 | 74 | 2.5% |
| 5 | 72 | 2.4% |
| 8 | 69 | 2.3% |
Latin
| Value | Count | Frequency (%) |
| O | 373 | |
| A | 373 | |
| S | 373 | |
| M | 373 | |
| R | 373 |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 4849 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| _ | 746 | |
| 0 | 658 | |
| 2 | 594 | |
| 1 | 394 | |
| O | 373 | |
| A | 373 | |
| S | 373 | |
| M | 373 | |
| R | 373 | |
| 3 | 125 | 2.6% |
| Other values (6) | 467 |
Group
Categorical
HIGH CORRELATION 
| Distinct | 3 |
|---|---|
| Distinct (%) | 0.8% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 3.0 KiB |
| Nondemented | |
|---|---|
| Demented | |
| Converted |
Length
| Max length | 11 |
|---|---|
| Median length | 11 |
| Mean length | 9.6273458 |
| Min length | 8 |
Characters and Unicode
| Total characters | 3591 |
|---|---|
| Distinct characters | 11 |
| Distinct categories | 2 ? |
| Distinct scripts | 1 ? |
| Distinct blocks | 1 ? |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | Nondemented |
|---|---|
| 2nd row | Nondemented |
| 3rd row | Demented |
| 4th row | Demented |
| 5th row | Demented |
Common Values
| Value | Count | Frequency (%) |
| Nondemented | 190 | |
| Demented | 146 | |
| Converted | 37 | 9.9% |
Length
Common Values (Plot)
| Value | Count | Frequency (%) |
| nondemented | 190 | |
| demented | 146 | |
| converted | 37 | 9.9% |
Most occurring characters
| Value | Count | Frequency (%) |
| e | 1082 | |
| n | 563 | |
| d | 563 | |
| t | 373 | 10.4% |
| m | 336 | 9.4% |
| o | 227 | 6.3% |
| N | 190 | 5.3% |
| D | 146 | 4.1% |
| C | 37 | 1.0% |
| v | 37 | 1.0% |
Most occurring categories
| Value | Count | Frequency (%) |
| Lowercase Letter | 3218 | |
| Uppercase Letter | 373 | 10.4% |
Most frequent character per category
Lowercase Letter
| Value | Count | Frequency (%) |
| e | 1082 | |
| n | 563 | |
| d | 563 | |
| t | 373 | 11.6% |
| m | 336 | 10.4% |
| o | 227 | 7.1% |
| v | 37 | 1.1% |
| r | 37 | 1.1% |
Uppercase Letter
| Value | Count | Frequency (%) |
| N | 190 | |
| D | 146 | |
| C | 37 | 9.9% |
Most occurring scripts
| Value | Count | Frequency (%) |
| Latin | 3591 |
Most frequent character per script
Latin
| Value | Count | Frequency (%) |
| e | 1082 | |
| n | 563 | |
| d | 563 | |
| t | 373 | 10.4% |
| m | 336 | 9.4% |
| o | 227 | 6.3% |
| N | 190 | 5.3% |
| D | 146 | 4.1% |
| C | 37 | 1.0% |
| v | 37 | 1.0% |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 3591 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| e | 1082 | |
| n | 563 | |
| d | 563 | |
| t | 373 | 10.4% |
| m | 336 | 9.4% |
| o | 227 | 6.3% |
| N | 190 | 5.3% |
| D | 146 | 4.1% |
| C | 37 | 1.0% |
| v | 37 | 1.0% |
Visit
Categorical
HIGH CORRELATION 
| Distinct | 5 |
|---|---|
| Distinct (%) | 1.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 3.0 KiB |
| 1 | |
|---|---|
| 2 | |
| 3 | |
| 4 | 15 |
| 5 | 6 |
Length
| Max length | 1 |
|---|---|
| Median length | 1 |
| Mean length | 1 |
| Min length | 1 |
Characters and Unicode
| Total characters | 373 |
|---|---|
| Distinct characters | 5 |
| Distinct categories | 1 ? |
| Distinct scripts | 1 ? |
| Distinct blocks | 1 ? |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | 1 |
|---|---|
| 2nd row | 2 |
| 3rd row | 1 |
| 4th row | 2 |
| 5th row | 3 |
Common Values
| Value | Count | Frequency (%) |
| 1 | 150 | |
| 2 | 144 | |
| 3 | 58 | 15.5% |
| 4 | 15 | 4.0% |
| 5 | 6 | 1.6% |
Length
Common Values (Plot)
| Value | Count | Frequency (%) |
| 1 | 150 | |
| 2 | 144 | |
| 3 | 58 | 15.5% |
| 4 | 15 | 4.0% |
| 5 | 6 | 1.6% |
Most occurring characters
| Value | Count | Frequency (%) |
| 1 | 150 | |
| 2 | 144 | |
| 3 | 58 | 15.5% |
| 4 | 15 | 4.0% |
| 5 | 6 | 1.6% |
Most occurring categories
| Value | Count | Frequency (%) |
| Decimal Number | 373 |
Most frequent character per category
Decimal Number
| Value | Count | Frequency (%) |
| 1 | 150 | |
| 2 | 144 | |
| 3 | 58 | 15.5% |
| 4 | 15 | 4.0% |
| 5 | 6 | 1.6% |
Most occurring scripts
| Value | Count | Frequency (%) |
| Common | 373 |
Most frequent character per script
Common
| Value | Count | Frequency (%) |
| 1 | 150 | |
| 2 | 144 | |
| 3 | 58 | 15.5% |
| 4 | 15 | 4.0% |
| 5 | 6 | 1.6% |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 373 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| 1 | 150 | |
| 2 | 144 | |
| 3 | 58 | 15.5% |
| 4 | 15 | 4.0% |
| 5 | 6 | 1.6% |
MR Delay
Real number (ℝ)
HIGH CORRELATION  ZEROS 
| Distinct | 201 |
|---|---|
| Distinct (%) | 53.9% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 595.10456 |
| Minimum | 0 |
|---|---|
| Maximum | 2639 |
| Zeros | 150 |
| Zeros (%) | 40.2% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 3.0 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 0 |
| Q1 | 0 |
| median | 552 |
| Q3 | 873 |
| 95-th percentile | 1828 |
| Maximum | 2639 |
| Range | 2639 |
| Interquartile range (IQR) | 873 |
Descriptive statistics
| Standard deviation | 635.48512 |
|---|---|
| Coefficient of variation (CV) | 1.0678546 |
| Kurtosis | 0.2089126 |
| Mean | 595.10456 |
| Median Absolute Deviation (MAD) | 552 |
| Skewness | 0.94503717 |
| Sum | 221974 |
| Variance | 403841.34 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 0 | 150 | |
| 580 | 3 | 0.8% |
| 1631 | 2 | 0.5% |
| 647 | 2 | 0.5% |
| 842 | 2 | 0.5% |
| 846 | 2 | 0.5% |
| 665 | 2 | 0.5% |
| 1204 | 2 | 0.5% |
| 567 | 2 | 0.5% |
| 486 | 2 | 0.5% |
| Other values (191) | 204 |
| Value | Count | Frequency (%) |
| 0 | 150 | |
| 182 | 1 | 0.3% |
| 212 | 1 | 0.3% |
| 248 | 1 | 0.3% |
| 352 | 1 | 0.3% |
| 365 | 1 | 0.3% |
| 395 | 1 | 0.3% |
| 403 | 1 | 0.3% |
| 405 | 1 | 0.3% |
| 432 | 1 | 0.3% |
| Value | Count | Frequency (%) |
| 2639 | 1 | |
| 2517 | 1 | |
| 2508 | 1 | |
| 2400 | 1 | |
| 2386 | 1 | |
| 2369 | 1 | |
| 2297 | 1 | |
| 2288 | 1 | |
| 2163 | 1 | |
| 2153 | 1 |
M/F
Categorical
HIGH CORRELATION 
| Distinct | 2 |
|---|---|
| Distinct (%) | 0.5% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 3.0 KiB |
| F | |
|---|---|
| M |
Length
| Max length | 1 |
|---|---|
| Median length | 1 |
| Mean length | 1 |
| Min length | 1 |
Characters and Unicode
| Total characters | 373 |
|---|---|
| Distinct characters | 2 |
| Distinct categories | 1 ? |
| Distinct scripts | 1 ? |
| Distinct blocks | 1 ? |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | M |
|---|---|
| 2nd row | M |
| 3rd row | M |
| 4th row | M |
| 5th row | M |
Common Values
| Value | Count | Frequency (%) |
| F | 213 | |
| M | 160 |
Length
Common Values (Plot)
| Value | Count | Frequency (%) |
| f | 213 | |
| m | 160 |
Most occurring characters
| Value | Count | Frequency (%) |
| F | 213 | |
| M | 160 |
Most occurring categories
| Value | Count | Frequency (%) |
| Uppercase Letter | 373 |
Most frequent character per category
Uppercase Letter
| Value | Count | Frequency (%) |
| F | 213 | |
| M | 160 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Latin | 373 |
Most frequent character per script
Latin
| Value | Count | Frequency (%) |
| F | 213 | |
| M | 160 |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 373 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| F | 213 | |
| M | 160 |
Hand
Categorical
CONSTANT 
| Distinct | 1 |
|---|---|
| Distinct (%) | 0.3% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 3.0 KiB |
| R |
|---|
Length
| Max length | 1 |
|---|---|
| Median length | 1 |
| Mean length | 1 |
| Min length | 1 |
Characters and Unicode
| Total characters | 373 |
|---|---|
| Distinct characters | 1 |
| Distinct categories | 1 ? |
| Distinct scripts | 1 ? |
| Distinct blocks | 1 ? |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | R |
|---|---|
| 2nd row | R |
| 3rd row | R |
| 4th row | R |
| 5th row | R |
Common Values
| Value | Count | Frequency (%) |
| R | 373 |
Length
Common Values (Plot)
| Value | Count | Frequency (%) |
| r | 373 |
Most occurring characters
| Value | Count | Frequency (%) |
| R | 373 |
Most occurring categories
| Value | Count | Frequency (%) |
| Uppercase Letter | 373 |
Most frequent character per category
Uppercase Letter
| Value | Count | Frequency (%) |
| R | 373 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Latin | 373 |
Most frequent character per script
Latin
| Value | Count | Frequency (%) |
| R | 373 |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 373 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| R | 373 |
Age
Real number (ℝ)
| Distinct | 39 |
|---|---|
| Distinct (%) | 10.5% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 77.013405 |
| Minimum | 60 |
|---|---|
| Maximum | 98 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 3.0 KiB |
Quantile statistics
| Minimum | 60 |
|---|---|
| 5-th percentile | 65 |
| Q1 | 71 |
| median | 77 |
| Q3 | 82 |
| 95-th percentile | 90 |
| Maximum | 98 |
| Range | 38 |
| Interquartile range (IQR) | 11 |
Descriptive statistics
| Standard deviation | 7.6409573 |
|---|---|
| Coefficient of variation (CV) | 0.099215939 |
| Kurtosis | -0.41084744 |
| Mean | 77.013405 |
| Median Absolute Deviation (MAD) | 5 |
| Skewness | 0.14170043 |
| Sum | 28726 |
| Variance | 58.384228 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 73 | 26 | 7.0% |
| 75 | 22 | 5.9% |
| 78 | 21 | 5.6% |
| 80 | 20 | 5.4% |
| 81 | 18 | 4.8% |
| 71 | 18 | 4.8% |
| 82 | 17 | 4.6% |
| 76 | 16 | 4.3% |
| 77 | 16 | 4.3% |
| 68 | 14 | 3.8% |
| Other values (29) | 185 |
| Value | Count | Frequency (%) |
| 60 | 2 | 0.5% |
| 61 | 4 | 1.1% |
| 62 | 4 | 1.1% |
| 63 | 3 | 0.8% |
| 64 | 3 | 0.8% |
| 65 | 6 | |
| 66 | 10 | |
| 67 | 6 | |
| 68 | 14 | |
| 69 | 13 |
| Value | Count | Frequency (%) |
| 98 | 1 | 0.3% |
| 97 | 1 | 0.3% |
| 96 | 1 | 0.3% |
| 95 | 1 | 0.3% |
| 94 | 1 | 0.3% |
| 93 | 3 | |
| 92 | 4 | |
| 91 | 4 | |
| 90 | 5 | |
| 89 | 7 |
EDUC
Real number (ℝ)
HIGH CORRELATION 
| Distinct | 12 |
|---|---|
| Distinct (%) | 3.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 14.597855 |
| Minimum | 6 |
|---|---|
| Maximum | 23 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 3.0 KiB |
Quantile statistics
| Minimum | 6 |
|---|---|
| 5-th percentile | 11 |
| Q1 | 12 |
| median | 15 |
| Q3 | 16 |
| 95-th percentile | 18 |
| Maximum | 23 |
| Range | 17 |
| Interquartile range (IQR) | 4 |
Descriptive statistics
| Standard deviation | 2.8763395 |
|---|---|
| Coefficient of variation (CV) | 0.1970385 |
| Kurtosis | -0.016035003 |
| Mean | 14.597855 |
| Median Absolute Deviation (MAD) | 3 |
| Skewness | -0.0259768 |
| Sum | 5445 |
| Variance | 8.2733287 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 12 | 103 | |
| 16 | 81 | |
| 18 | 64 | |
| 14 | 33 | 8.8% |
| 13 | 27 | 7.2% |
| 15 | 17 | 4.6% |
| 20 | 13 | 3.5% |
| 11 | 11 | 2.9% |
| 8 | 9 | 2.4% |
| 17 | 9 | 2.4% |
| Other values (2) | 6 | 1.6% |
| Value | Count | Frequency (%) |
| 6 | 3 | 0.8% |
| 8 | 9 | 2.4% |
| 11 | 11 | 2.9% |
| 12 | 103 | |
| 13 | 27 | 7.2% |
| 14 | 33 | 8.8% |
| 15 | 17 | 4.6% |
| 16 | 81 | |
| 17 | 9 | 2.4% |
| 18 | 64 |
| Value | Count | Frequency (%) |
| 23 | 3 | 0.8% |
| 20 | 13 | 3.5% |
| 18 | 64 | |
| 17 | 9 | 2.4% |
| 16 | 81 | |
| 15 | 17 | 4.6% |
| 14 | 33 | 8.8% |
| 13 | 27 | 7.2% |
| 12 | 103 | |
| 11 | 11 | 2.9% |
SES
Categorical
HIGH CORRELATION  MISSING 
| Distinct | 5 |
|---|---|
| Distinct (%) | 1.4% |
| Missing | 19 |
| Missing (%) | 5.1% |
| Memory size | 3.0 KiB |
| 2.0 | |
|---|---|
| 1.0 | |
| 3.0 | |
| 4.0 | |
| 5.0 | 7 |
Length
| Max length | 3 |
|---|---|
| Median length | 3 |
| Mean length | 3 |
| Min length | 3 |
Characters and Unicode
| Total characters | 1062 |
|---|---|
| Distinct characters | 7 |
| Distinct categories | 2 ? |
| Distinct scripts | 1 ? |
| Distinct blocks | 1 ? |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | 2.0 |
|---|---|
| 2nd row | 2.0 |
| 3rd row | 3.0 |
| 4th row | 3.0 |
| 5th row | 4.0 |
Common Values
| Value | Count | Frequency (%) |
| 2.0 | 103 | |
| 1.0 | 88 | |
| 3.0 | 82 | |
| 4.0 | 74 | |
| 5.0 | 7 | 1.9% |
| (Missing) | 19 | 5.1% |
Length
Common Values (Plot)
| Value | Count | Frequency (%) |
| 2.0 | 103 | |
| 1.0 | 88 | |
| 3.0 | 82 | |
| 4.0 | 74 | |
| 5.0 | 7 | 2.0% |
Most occurring characters
| Value | Count | Frequency (%) |
| . | 354 | |
| 0 | 354 | |
| 2 | 103 | 9.7% |
| 1 | 88 | 8.3% |
| 3 | 82 | 7.7% |
| 4 | 74 | 7.0% |
| 5 | 7 | 0.7% |
Most occurring categories
| Value | Count | Frequency (%) |
| Decimal Number | 708 | |
| Other Punctuation | 354 |
Most frequent character per category
Decimal Number
| Value | Count | Frequency (%) |
| 0 | 354 | |
| 2 | 103 | 14.5% |
| 1 | 88 | 12.4% |
| 3 | 82 | 11.6% |
| 4 | 74 | 10.5% |
| 5 | 7 | 1.0% |
Other Punctuation
| Value | Count | Frequency (%) |
| . | 354 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Common | 1062 |
Most frequent character per script
Common
| Value | Count | Frequency (%) |
| . | 354 | |
| 0 | 354 | |
| 2 | 103 | 9.7% |
| 1 | 88 | 8.3% |
| 3 | 82 | 7.7% |
| 4 | 74 | 7.0% |
| 5 | 7 | 0.7% |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 1062 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| . | 354 | |
| 0 | 354 | |
| 2 | 103 | 9.7% |
| 1 | 88 | 8.3% |
| 3 | 82 | 7.7% |
| 4 | 74 | 7.0% |
| 5 | 7 | 0.7% |
MMSE
Real number (ℝ)
| Distinct | 18 |
|---|---|
| Distinct (%) | 4.9% |
| Missing | 2 |
| Missing (%) | 0.5% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 27.342318 |
| Minimum | 4 |
|---|---|
| Maximum | 30 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 3.0 KiB |
Quantile statistics
| Minimum | 4 |
|---|---|
| 5-th percentile | 20 |
| Q1 | 27 |
| median | 29 |
| Q3 | 30 |
| 95-th percentile | 30 |
| Maximum | 30 |
| Range | 26 |
| Interquartile range (IQR) | 3 |
Descriptive statistics
| Standard deviation | 3.6832439 |
|---|---|
| Coefficient of variation (CV) | 0.13470854 |
| Kurtosis | 7.5158494 |
| Mean | 27.342318 |
| Median Absolute Deviation (MAD) | 1 |
| Skewness | -2.3660861 |
| Sum | 10144 |
| Variance | 13.566285 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 30 | 114 | |
| 29 | 91 | |
| 28 | 45 | 12.1% |
| 27 | 32 | 8.6% |
| 26 | 20 | 5.4% |
| 25 | 12 | 3.2% |
| 21 | 11 | 2.9% |
| 23 | 11 | 2.9% |
| 22 | 7 | 1.9% |
| 20 | 7 | 1.9% |
| Other values (8) | 21 | 5.6% |
| Value | Count | Frequency (%) |
| 4 | 1 | 0.3% |
| 7 | 1 | 0.3% |
| 15 | 2 | 0.5% |
| 16 | 3 | 0.8% |
| 17 | 5 | |
| 18 | 2 | 0.5% |
| 19 | 3 | 0.8% |
| 20 | 7 | |
| 21 | 11 | |
| 22 | 7 |
| Value | Count | Frequency (%) |
| 30 | 114 | |
| 29 | 91 | |
| 28 | 45 | 12.1% |
| 27 | 32 | 8.6% |
| 26 | 20 | 5.4% |
| 25 | 12 | 3.2% |
| 24 | 4 | 1.1% |
| 23 | 11 | 2.9% |
| 22 | 7 | 1.9% |
| 21 | 11 | 2.9% |
CDR
Categorical
HIGH CORRELATION 
| Distinct | 4 |
|---|---|
| Distinct (%) | 1.1% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 3.0 KiB |
| 0.0 | |
|---|---|
| 0.5 | |
| 1.0 | |
| 2.0 | 3 |
Length
| Max length | 3 |
|---|---|
| Median length | 3 |
| Mean length | 3 |
| Min length | 3 |
Characters and Unicode
| Total characters | 1119 |
|---|---|
| Distinct characters | 5 |
| Distinct categories | 2 ? |
| Distinct scripts | 1 ? |
| Distinct blocks | 1 ? |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | 0.0 |
|---|---|
| 2nd row | 0.0 |
| 3rd row | 0.5 |
| 4th row | 0.5 |
| 5th row | 0.5 |
Common Values
| Value | Count | Frequency (%) |
| 0.0 | 206 | |
| 0.5 | 123 | |
| 1.0 | 41 | 11.0% |
| 2.0 | 3 | 0.8% |
Length
Common Values (Plot)
| Value | Count | Frequency (%) |
| 0.0 | 206 | |
| 0.5 | 123 | |
| 1.0 | 41 | 11.0% |
| 2.0 | 3 | 0.8% |
Most occurring characters
| Value | Count | Frequency (%) |
| 0 | 579 | |
| . | 373 | |
| 5 | 123 | 11.0% |
| 1 | 41 | 3.7% |
| 2 | 3 | 0.3% |
Most occurring categories
| Value | Count | Frequency (%) |
| Decimal Number | 746 | |
| Other Punctuation | 373 |
Most frequent character per category
Decimal Number
| Value | Count | Frequency (%) |
| 0 | 579 | |
| 5 | 123 | 16.5% |
| 1 | 41 | 5.5% |
| 2 | 3 | 0.4% |
Other Punctuation
| Value | Count | Frequency (%) |
| . | 373 |
Most occurring scripts
| Value | Count | Frequency (%) |
| Common | 1119 |
Most frequent character per script
Common
| Value | Count | Frequency (%) |
| 0 | 579 | |
| . | 373 | |
| 5 | 123 | 11.0% |
| 1 | 41 | 3.7% |
| 2 | 3 | 0.3% |
Most occurring blocks
| Value | Count | Frequency (%) |
| ASCII | 1119 |
Most frequent character per block
ASCII
| Value | Count | Frequency (%) |
| 0 | 579 | |
| . | 373 | |
| 5 | 123 | 11.0% |
| 1 | 41 | 3.7% |
| 2 | 3 | 0.3% |
eTIV
Real number (ℝ)
HIGH CORRELATION 
| Distinct | 286 |
|---|---|
| Distinct (%) | 76.7% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 1488.1287 |
| Minimum | 1106 |
|---|---|
| Maximum | 2004 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 3.0 KiB |
Quantile statistics
| Minimum | 1106 |
|---|---|
| 5-th percentile | 1233.6 |
| Q1 | 1357 |
| median | 1470 |
| Q3 | 1597 |
| 95-th percentile | 1817.4 |
| Maximum | 2004 |
| Range | 898 |
| Interquartile range (IQR) | 240 |
Descriptive statistics
| Standard deviation | 176.13929 |
|---|---|
| Coefficient of variation (CV) | 0.11836294 |
| Kurtosis | -0.12534644 |
| Mean | 1488.1287 |
| Median Absolute Deviation (MAD) | 117 |
| Skewness | 0.49688139 |
| Sum | 555072 |
| Variance | 31025.048 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 1483 | 4 | 1.1% |
| 1475 | 4 | 1.1% |
| 1333 | 3 | 0.8% |
| 1484 | 3 | 0.8% |
| 1548 | 3 | 0.8% |
| 1520 | 3 | 0.8% |
| 1445 | 3 | 0.8% |
| 1390 | 3 | 0.8% |
| 1569 | 3 | 0.8% |
| 1495 | 3 | 0.8% |
| Other values (276) | 341 |
| Value | Count | Frequency (%) |
| 1106 | 1 | |
| 1123 | 1 | |
| 1143 | 1 | |
| 1151 | 1 | |
| 1154 | 1 | |
| 1159 | 1 | |
| 1165 | 1 | |
| 1169 | 1 | |
| 1171 | 1 | |
| 1174 | 1 |
| Value | Count | Frequency (%) |
| 2004 | 1 | |
| 1987 | 1 | |
| 1957 | 1 | |
| 1931 | 1 | |
| 1928 | 1 | |
| 1926 | 1 | |
| 1911 | 1 | |
| 1899 | 1 | |
| 1891 | 1 | |
| 1848 | 1 |
nWBV
Real number (ℝ)
| Distinct | 136 |
|---|---|
| Distinct (%) | 36.5% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 0.72956836 |
| Minimum | 0.644 |
|---|---|
| Maximum | 0.837 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 3.0 KiB |
Quantile statistics
| Minimum | 0.644 |
|---|---|
| 5-th percentile | 0.6746 |
| Q1 | 0.7 |
| median | 0.729 |
| Q3 | 0.756 |
| 95-th percentile | 0.794 |
| Maximum | 0.837 |
| Range | 0.193 |
| Interquartile range (IQR) | 0.056 |
Descriptive statistics
| Standard deviation | 0.037135016 |
|---|---|
| Coefficient of variation (CV) | 0.050899981 |
| Kurtosis | -0.41904446 |
| Mean | 0.72956836 |
| Median Absolute Deviation (MAD) | 0.028 |
| Skewness | 0.23458692 |
| Sum | 272.129 |
| Variance | 0.0013790094 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 0.696 | 10 | 2.7% |
| 0.739 | 9 | 2.4% |
| 0.737 | 7 | 1.9% |
| 0.695 | 7 | 1.9% |
| 0.769 | 7 | 1.9% |
| 0.748 | 7 | 1.9% |
| 0.733 | 6 | 1.6% |
| 0.757 | 6 | 1.6% |
| 0.731 | 6 | 1.6% |
| 0.75 | 6 | 1.6% |
| Other values (126) | 302 |
| Value | Count | Frequency (%) |
| 0.644 | 1 | |
| 0.646 | 1 | |
| 0.652 | 1 | |
| 0.657 | 1 | |
| 0.66 | 2 | |
| 0.661 | 1 | |
| 0.662 | 1 | |
| 0.663 | 2 | |
| 0.665 | 1 | |
| 0.666 | 2 |
| Value | Count | Frequency (%) |
| 0.837 | 1 | |
| 0.827 | 1 | |
| 0.822 | 1 | |
| 0.819 | 1 | |
| 0.817 | 1 | |
| 0.812 | 1 | |
| 0.81 | 1 | |
| 0.806 | 2 | |
| 0.805 | 2 | |
| 0.801 | 2 |
ASF
Real number (ℝ)
HIGH CORRELATION 
| Distinct | 265 |
|---|---|
| Distinct (%) | 71.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 1.1954611 |
| Minimum | 0.876 |
|---|---|
| Maximum | 1.587 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 3.0 KiB |
Quantile statistics
| Minimum | 0.876 |
|---|---|
| 5-th percentile | 0.9656 |
| Q1 | 1.099 |
| median | 1.194 |
| Q3 | 1.293 |
| 95-th percentile | 1.4222 |
| Maximum | 1.587 |
| Range | 0.711 |
| Interquartile range (IQR) | 0.194 |
Descriptive statistics
| Standard deviation | 0.13809196 |
|---|---|
| Coefficient of variation (CV) | 0.11551355 |
| Kurtosis | -0.23211805 |
| Mean | 1.1954611 |
| Median Absolute Deviation (MAD) | 0.098 |
| Skewness | 0.083450441 |
| Sum | 445.907 |
| Variance | 0.019069389 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 1.184 | 5 | 1.3% |
| 1.19 | 5 | 1.3% |
| 1.134 | 4 | 1.1% |
| 1.183 | 4 | 1.1% |
| 1.174 | 3 | 0.8% |
| 1.155 | 3 | 0.8% |
| 1.291 | 3 | 0.8% |
| 1.214 | 3 | 0.8% |
| 1.202 | 3 | 0.8% |
| 1.208 | 3 | 0.8% |
| Other values (255) | 337 |
| Value | Count | Frequency (%) |
| 0.876 | 1 | |
| 0.883 | 1 | |
| 0.897 | 1 | |
| 0.909 | 1 | |
| 0.91 | 1 | |
| 0.911 | 1 | |
| 0.919 | 1 | |
| 0.924 | 1 | |
| 0.928 | 1 | |
| 0.95 | 1 |
| Value | Count | Frequency (%) |
| 1.587 | 1 | |
| 1.563 | 1 | |
| 1.535 | 1 | |
| 1.525 | 1 | |
| 1.521 | 1 | |
| 1.515 | 1 | |
| 1.506 | 1 | |
| 1.501 | 1 | |
| 1.499 | 1 | |
| 1.495 | 1 |
| MR Delay | Age | EDUC | MMSE | eTIV | nWBV | ASF | Group | Visit | M/F | SES | CDR | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MR Delay | 1.000 | 0.188 | 0.057 | 0.084 | 0.112 | -0.113 | -0.112 | 0.116 | 0.756 | 0.000 | 0.000 | 0.057 |
| Age | 0.188 | 1.000 | -0.049 | -0.036 | 0.051 | -0.483 | -0.051 | 0.073 | 0.054 | 0.000 | 0.075 | 0.157 |
| EDUC | 0.057 | -0.049 | 1.000 | 0.229 | 0.230 | -0.011 | -0.231 | 0.215 | 0.000 | 0.269 | 0.586 | 0.198 |
| MMSE | 0.084 | -0.036 | 0.229 | 1.000 | 0.006 | 0.289 | -0.006 | 0.472 | 0.227 | 0.128 | 0.126 | 0.469 |
| eTIV | 0.112 | 0.051 | 0.230 | 0.006 | 1.000 | -0.208 | -1.000 | 0.072 | 0.000 | 0.568 | 0.248 | 0.000 |
| nWBV | -0.113 | -0.483 | -0.011 | 0.289 | -0.208 | 1.000 | 0.208 | 0.194 | 0.055 | 0.306 | 0.172 | 0.181 |
| ASF | -0.112 | -0.051 | -0.231 | -0.006 | -1.000 | 0.208 | 1.000 | 0.099 | 0.000 | 0.572 | 0.244 | 0.000 |
| Group | 0.116 | 0.073 | 0.215 | 0.472 | 0.072 | 0.194 | 0.099 | 1.000 | 0.037 | 0.250 | 0.218 | 0.669 |
| Visit | 0.756 | 0.054 | 0.000 | 0.227 | 0.000 | 0.055 | 0.000 | 0.037 | 1.000 | 0.000 | 0.000 | 0.000 |
| M/F | 0.000 | 0.000 | 0.269 | 0.128 | 0.568 | 0.306 | 0.572 | 0.250 | 0.000 | 1.000 | 0.239 | 0.256 |
| SES | 0.000 | 0.075 | 0.586 | 0.126 | 0.248 | 0.172 | 0.244 | 0.218 | 0.000 | 0.239 | 1.000 | 0.099 |
| CDR | 0.057 | 0.157 | 0.198 | 0.469 | 0.000 | 0.181 | 0.000 | 0.669 | 0.000 | 0.256 | 0.099 | 1.000 |
| Subject ID | MRI ID | Group | Visit | MR Delay | M/F | Hand | Age | EDUC | SES | MMSE | CDR | eTIV | nWBV | ASF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | OAS2_0001 | OAS2_0001_MR1 | Nondemented | 1 | 0 | M | R | 87 | 14 | 2.0 | 27.0 | 0.0 | 1987 | 0.696 | 0.883 |
| 1 | OAS2_0001 | OAS2_0001_MR2 | Nondemented | 2 | 457 | M | R | 88 | 14 | 2.0 | 30.0 | 0.0 | 2004 | 0.681 | 0.876 |
| 2 | OAS2_0002 | OAS2_0002_MR1 | Demented | 1 | 0 | M | R | 75 | 12 | NaN | 23.0 | 0.5 | 1678 | 0.736 | 1.046 |
| 3 | OAS2_0002 | OAS2_0002_MR2 | Demented | 2 | 560 | M | R | 76 | 12 | NaN | 28.0 | 0.5 | 1738 | 0.713 | 1.010 |
| 4 | OAS2_0002 | OAS2_0002_MR3 | Demented | 3 | 1895 | M | R | 80 | 12 | NaN | 22.0 | 0.5 | 1698 | 0.701 | 1.034 |
| 5 | OAS2_0004 | OAS2_0004_MR1 | Nondemented | 1 | 0 | F | R | 88 | 18 | 3.0 | 28.0 | 0.0 | 1215 | 0.710 | 1.444 |
| 6 | OAS2_0004 | OAS2_0004_MR2 | Nondemented | 2 | 538 | F | R | 90 | 18 | 3.0 | 27.0 | 0.0 | 1200 | 0.718 | 1.462 |
| 7 | OAS2_0005 | OAS2_0005_MR1 | Nondemented | 1 | 0 | M | R | 80 | 12 | 4.0 | 28.0 | 0.0 | 1689 | 0.712 | 1.039 |
| 8 | OAS2_0005 | OAS2_0005_MR2 | Nondemented | 2 | 1010 | M | R | 83 | 12 | 4.0 | 29.0 | 0.5 | 1701 | 0.711 | 1.032 |
| 9 | OAS2_0005 | OAS2_0005_MR3 | Nondemented | 3 | 1603 | M | R | 85 | 12 | 4.0 | 30.0 | 0.0 | 1699 | 0.705 | 1.033 |
| Subject ID | MRI ID | Group | Visit | MR Delay | M/F | Hand | Age | EDUC | SES | MMSE | CDR | eTIV | nWBV | ASF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 363 | OAS2_0183 | OAS2_0183_MR3 | Nondemented | 3 | 732 | F | R | 68 | 13 | 2.0 | 30.0 | 0.0 | 1506 | 0.740 | 1.165 |
| 364 | OAS2_0183 | OAS2_0183_MR4 | Nondemented | 4 | 2107 | F | R | 72 | 13 | 2.0 | 30.0 | 0.0 | 1510 | 0.723 | 1.162 |
| 365 | OAS2_0184 | OAS2_0184_MR1 | Demented | 1 | 0 | F | R | 72 | 16 | 3.0 | 24.0 | 0.5 | 1354 | 0.733 | 1.296 |
| 366 | OAS2_0184 | OAS2_0184_MR2 | Demented | 2 | 553 | F | R | 73 | 16 | 3.0 | 21.0 | 1.0 | 1351 | 0.708 | 1.299 |
| 367 | OAS2_0185 | OAS2_0185_MR1 | Demented | 1 | 0 | M | R | 80 | 16 | 1.0 | 28.0 | 0.5 | 1704 | 0.711 | 1.030 |
| 368 | OAS2_0185 | OAS2_0185_MR2 | Demented | 2 | 842 | M | R | 82 | 16 | 1.0 | 28.0 | 0.5 | 1693 | 0.694 | 1.037 |
| 369 | OAS2_0185 | OAS2_0185_MR3 | Demented | 3 | 2297 | M | R | 86 | 16 | 1.0 | 26.0 | 0.5 | 1688 | 0.675 | 1.040 |
| 370 | OAS2_0186 | OAS2_0186_MR1 | Nondemented | 1 | 0 | F | R | 61 | 13 | 2.0 | 30.0 | 0.0 | 1319 | 0.801 | 1.331 |
| 371 | OAS2_0186 | OAS2_0186_MR2 | Nondemented | 2 | 763 | F | R | 63 | 13 | 2.0 | 30.0 | 0.0 | 1327 | 0.796 | 1.323 |
| 372 | OAS2_0186 | OAS2_0186_MR3 | Nondemented | 3 | 1608 | F | R | 65 | 13 | 2.0 | 30.0 | 0.0 | 1333 | 0.801 | 1.317 |